Bastard

bastardo

(of or like a bastard (illegitimate human descendant))

bosta!

(exclamation of dismay)

merda!

(exclamation of dismay)

bastarda

(person born to unmarried parents)

bastardo

(person born to unmarried parents)

bastardo

(informal: child that does not know their father)

desgraçado

(contemptible etc. person)

filho da mãe

(contemptible etc. person)

filho da puta

(contemptible etc. person)

mestiço

(mongrel)

sacana

(contemptible etc. person)